change default search engine to google.com.au instead of google.com

Firefox (63.03) has google.com as a search engine in the search bar.
I want to change it to (or add) google.com.au
There does not seem to be any way to do this.
Is there any way that I can force firefox to use google.com.au site search engine instead of google.com ?

Firefox (63.03) has google.com as a search engine in the search bar.
I want to change it to (or add) google.com.au
There does not seem to be any way to do this.
Is there any way that I can force firefox to use google.com.au site search engine instead of google.com ?

தீர்வு தேர்ந்தெடுக்கப்பட்டது

I didn't see one available in the Firefox add-ons website, so I submitted one for you. It will available on this page once it's manually reviewed by a Mozilla reviewer.

தீர்வு தேர்ந்தெடுக்கப்பட்டது

I didn't see one available in the Firefox add-ons website, so I submitted one for you. It will available on this page once it's manually reviewed by a Mozilla reviewer.

I didn't see one available in the Firefox add-ons website, so I submitted one for you. It will available on [https://addons.mozilla.org/en-US/firefox/addon/google-com-au/ this page] once it's manually reviewed by a Mozilla reviewer.